6611664506 has 16 divisors (see below), whose sum is σ = 9962517888. Its totient is φ = 3290846400.

The previous prime is 6611664481. The next prime is 6611664509. The reversal of 6611664506 is 6054661166.

It is not an unprimeable number, because it can be changed into a prime (6611664509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733181 + ... + 742143.

It is an arithmetic number, because the mean of its divisors is an integer number (622657368).

Almost surely, 2^6611664506 is an apocalyptic number.

6611664506 is a deficient number, since it is larger than the sum of its proper divisors (3350853382).

6611664506 is a wasteful number, since it uses less digits than its factorization.

6611664506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10597.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 6611664506 is about 81312.1424265773. The cubic root of 6611664506 is about 1876.8818563844.

The spelling of 6611664506 in words is "six billion, six hundred eleven million, six hundred sixty-four thousand, five hundred six".